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Efficient ceramic zeolite membranes for CO2/H2 separation
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-2459-7932
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.
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2015 (English)In: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 2015, no 3, p. 12500-12506Article in journal (Refereed) Published
Abstract [en]

Membranes are considered one of the most promising technologies for CO2 separation from industrially important gas mixtures like synthesis gas or natural gas. In order for the membrane separation process to be efficient, membranes, in addition to being cost-effective, should be durable and possess high flux and sufficient selectivity. Current CO2-selective membranes are low flux polymeric membranes with limited chemical and thermal stability. In the present work, robust and high flux ceramic MFI zeolite membranes were prepared and evaluated for separation of CO2 from H2, a process of great importance to synthesis gas processing, in a broad temperature range of 235–310 K and at an industrially relevant feed pressure of 9 bar. The observed membrane separation performance in terms both selectivity and flux was superior to that previously reported for the state-of-the-art CO2-selective zeolite and polymeric membranes. Our initial cost estimate of the membrane modules showed that the present membranes were economically viable. We also showed that the ceramic zeolite membrane separation system would be much more compact than a system relying on polymeric membranes. Our findings therefore suggest that the developed high flux ceramic zeolite membranes have great potential for selective, cost-effective and sustainable removal of CO2 from synthesis gas.

Place, publisher, year, edition, pages
2015. Vol. 2015, no 3, p. 12500-12506
National Category
Chemical Process Engineering
Research subject
Chemical Technology
Identifiers
URN: urn:nbn:se:ltu:diva-10306DOI: 10.1039/C5TA02152AISI: 000355736700047Scopus ID: 2-s2.0-84930959021Local ID: 91a22b0f-02d2-4414-8c78-7364ca1431e0OAI: oai:DiVA.org:ltu-10306DiVA, id: diva2:983248
Note
Validerad; 2015; Nivå 2; 20150514 (dankor)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Korelskiy, DanilYe, PengchengFouladvand, ShahparKarimi, SomayehSjöberg, ErikHedlund, Jonas
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